Titlebook: Manganese in Soils and Plants; Proceedings of the I Robin D. Graham,Robert J. Hannam,Nicholas C. Uren Conference proceedings 1988 Kluwer Ac

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Developments in Plant and Soil Scienceshttp://image.papertrans.cn/m/image/623350.jpg

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An Historical Preface’s name was probably derived, the Greek μανγανζειν meaning to purify (Remy 1956). Pyrolusite, or braunstein, was well known to the Romans and used by potters throughout the Middle Ages for its brown glaze.

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Geochemistry and Mineralogy of Manganese in Soilsnerals contain Mn as an essential constituent and several thousand minerals contain Mn as a minor substituent for essential structural ions such as Fe. and Mg.. In this chapter the occurrence of Mn in rocks and minerals will be discussed and related to the amounts and forms of Mn in soils.